Boiler Substitute? John Siegenthaler, P.E. August 15, 2008 As the price of fuel oil skyrockets, there is increasing interest in geothermal heat pumps as a heat source for hydronic radiant floor heating. Read More
Mountaintop Experience John Siegenthaler, P.E. July 1, 2008 John Siegenthaler says, if there's ever been a time to get serious about slab insulation, it's now! Read More
Solar By The Seat Of Your Pants John Siegenthaler, P.E. June 17, 2008 Some choose to jump into designing or installing solar thermal systems with no additional training. Read More
Thermal Accumulators John Siegenthaler, P.E. June 1, 2008 Another European concept that will eventually show up in North America. Read More
Dual Load Dilemma John Siegenthaler, P.E. May 14, 2008 Can you identify at least four errors in this design? Read More
Full Circle John Siegenthaler, P.E. May 1, 2008 Will low head loss boilers make a come back? Read More
So You Want To Go Solar John Siegenthaler, P.E. April 28, 2008 Given all the recent interest in solar domestic water heating, Joe Wrenchturner decides to have a go at it. Read More
Scrubbing Bubbles John Siegenthaler, P.E. April 4, 2008 Exploring microbubble air separation in hydronic systems. Read More
Solar Appliances John Siegenthaler, P.E. April 1, 2008 Hardware consolidation will hasten adoption of active solar energy systems. Read More
From Dumb Curves To Smart AreasJohn Siegenthaler, PE John Siegenthaler, P.E. March 1, 2008 Get ready for circulators with different personalities. Read More